Accusound products suitable for Trombone. The Trombone microphone is held in place using a soft rubber mount to the bell of the instrument. The microphone capsule is then held on the end of a flexible tube over the bell to achieve the sound required. There are two main types of capsule, omni-directional and uni-directional. The onmi capsule will produce a sound more true to the original but will suffer more from feedback if used on a live stage. The uni cpasule on the other hand produces a little more bass reapsonse but is less susceptable to feedback on stage. Both products work well on stage as live microphpones. The flexible mounting allows accurate positioning of the microphone capsule to achieve the best sound possible.